hawk nose vs olfactory organ

hawk nose and olfactory organ both are nouns.

Word	Noun	Adjective	Verb	Adverb
hawk nose	Yes	No	No	No
olfactory organ	Yes	No	No	No

As nouns, olfactory organ is a hypernym of hawk nose; that is, olfactory organ is a word with a broader meaning than hawk nose:

hawk nose: a nose curved downward like the beak of a hawk
olfactory organ: the organ of smell and entrance to the respiratory tract; the prominent part of the face of man or other mammals

Other hypernyms of hawk nose include nose.

hawk nose (noun)	olfactory organ (noun)
a nose curved downward like the beak of a hawk	the organ of smell and entrance to the respiratory tract; the prominent part of the face of man or other mammals